libc/kernel/common/linux/sysfs.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _SYSFS_H_
#define _SYSFS_H_

#include <asm/atomic.h>

struct kobject;
struct module;

struct attribute {
 const char * name;
 struct module * owner;
 mode_t mode;
};

struct attribute_group {
 const char * name;
 struct attribute ** attrs;
};

#define __ATTR(_name,_mode,_show,_store) {   .attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE },   .show = _show,   .store = _store,  }

#define __ATTR_RO(_name) {   .attr = { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE },   .show = _name##_show,  }

#define __ATTR_NULL { .attr = { .name = NULL } }

#define attr_name(_attr) (_attr).attr.name

struct vm_area_struct;

struct bin_attribute {
 struct attribute attr;
 size_t size;
 void *private;
 ssize_t (*read)(struct kobject *, char *, loff_t, size_t);
 ssize_t (*write)(struct kobject *, char *, loff_t, size_t);
 int (*mmap)(struct kobject *, struct bin_attribute *attr,
 struct vm_area_struct *vma);
};

struct sysfs_ops {
 ssize_t (*show)(struct kobject *, struct attribute *,char *);
 ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
};

struct sysfs_dirent {
 atomic_t s_count;
 struct list_head s_sibling;
 struct list_head s_children;
 void * s_element;
 int s_type;
 umode_t s_mode;
 struct dentry * s_dentry;
 struct iattr * s_iattr;
 atomic_t s_event;
};

#define SYSFS_ROOT 0x0001
#define SYSFS_DIR 0x0002
#define SYSFS_KOBJ_ATTR 0x0004
#define SYSFS_KOBJ_BIN_ATTR 0x0008
#define SYSFS_KOBJ_DEVICE 0x0010
#define SYSFS_KOBJ_LINK 0x0020
#define SYSFS_NOT_PINNED (SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR | SYSFS_KOBJ_DEVICE | SYSFS_KOBJ_LINK)

#endif